/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshBasicEditFunctions.h
Adds a triangle (Vertex ID triplet) to the mesh and updates New TriangleIndexwith the resulting Triangle ID.
static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * AddTriangleToMesh ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, FIntVector NewTriangle, int & NewTriangleIndex, int NewTriangleGroupID, bool bDeferChangeNotifications, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )